A method of producing organic molluscicide from Sandoricum species for the effective control of golden apple snail (Pomacea canalicu/ata Lam) comprising the following steps: a. gathering mature fruits of Malasantol (Sandoricum vidalii Merr.) and Santol (Sandoricum koetjape Merr.) b. Slicing and chopping the fruits including the seeds of each species and gradually exposing it under the sun until it become so dry for grinding/pulverizing c) grinding/pulverizing the dried fruits of each species finely by pounding manually or by using a grinding machine d) screening the pulverized fruits of each species in a fine sieve of 2 mm mess to attain uniform size e) mixing the pulverized fruit of each species at a ratio of 1:1 wherein 500 grams of pulverized fruit of Malasantol is mixed with 500 grams of pulverized fruit of SantoI to produce 1000 grams or 1 kilogram of organic molluscicide and f). packing the pulverized organic molluscicide product in an air-tight plastic container preferably snap-lock resealable plastic bags at desired weight and bag sizes.